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From: please_reply_to_security at sco.com (please_reply_to_security@....com)
Subject: OpenServer 5.0.6 OpenServer 5.0.7 : MMDF Various buffer overflows and other security issues

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______________________________________________________________________________

			SCO Security Advisory

Subject:		OpenServer 5.0.6 OpenServer 5.0.7 : MMDF Various buffer overflows and other security issues
Advisory number: 	SCOSA-2004.7
Issue date: 		2004 July 14
Cross reference: 	sr884728 fz528322 erg712434 CAN-2004-0510 CAN-2004-0511 CAN-2004-0512
______________________________________________________________________________


1. Problem Description

	Deprotect discovered a buffer overflow in execmail.  After reviewing 
	our code we determined the whole MMDF package needed a security audit.

	Various buffer overflows and other security issues that affect all 
	MMDF binaries have been corrected. 

	All but one of the MMDF binaries that were setuid root are no 
	longer setuid. 

	Additional changes in this version of MMDF are documented at
	ftp://ftp.sco.com/pub/openserver5/507/mp/mp3/osr507mp3.html#rn507mp_mmdf
	and in the updated man pages which are included in SCOSA-2004.7

	The Common Vulnerabilities and Exposures project (cve.mitre.org)
        has assigned MMDF buffer overflows the name CAN-2004-0510.

	The Common Vulnerabilities and Exposures project (cve.mitre.org)
        has assigned MMDF null dereferences the name CAN-2004-0511.

	The Common Vulnerabilities and Exposures project (cve.mitre.org)
        has assigned MMDF core dumps the name CAN-2004-0512.

2. Vulnerable Supported Versions

	System			Binaries
	----------------------------------------------------------------------
	OpenServer 5.0.6 	MMDF Distribution
	OpenServer 5.0.7 	MMDF Distribution

3. Solution

	The proper solution is to install the latest packages.

4. OpenServer 5.0.7

	4.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.7

	The fixes are also available in SCO OpenServer Release 5.0.7 
	Maintenance Pack 3 or later.  See
	http://www.sco.com/support/update/download/osr507list.html.

5. OpenServer 5.0.6   

	5.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.7

	5.2 Verification

	MD5 (VOL.000.000) = 7d079342022ff408e479184fab3ee86b

	md5 is available for download from
		ftp://ftp.sco.com/pub/security/tools

	5.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following sequence:

	1) Download the VOL* files to a directory

	2) Run the custom command, specify an install from media
	images, and specify the download directory as the location of
	the images.


6. References

	Specific references for this advisory:
		http://www.deprotect.com/advisories/DEPROTECT-20040206.txt

	SCO security resources:
		http://www.sco.com/support/security/index.html

	SCO security advisories via email
		http://www.sco.com/support/forums/security.html

	This security fix closes SCO incidents sr884728 fz528322
	erg712434.


7. Disclaimer

	SCO is not responsible for the misuse of any of the information
	we provide on this website and/or through our security
	advisories. Our advisories are a service to our customers
	intended to promote secure installation and use of SCO
	products.


8. Acknowledgments

	SCO would like to thank Deprotect which describes itself 
	as "a Swedish based security company divided into four 
	divisions; Managed Security Services, Security Services, 
	Products and Development and our Security Academy."

______________________________________________________________________________

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